* {
    margin: 0;
    padding: 0;
}
li {
    list-style: none;
}
.singUpBox{
    width: 600px;
    height: 1060px;
    background: url(https://picture-bad.oss-cn-beijing.aliyuncs.com/theSecondHomeworkl-background.png);
    margin: 0 auto;
    overflow: hidden;
    filter: brightness(1.2);
}
.nav{
    display: flex;
    justify-content: space-around;
    margin-top: 31px;
}

.nav p {
    line-height: 48px;
    font-size: 40px;
    color: white;
}

.avatar {
    width: 147px;
    height: 147px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255,0.2);
    margin: 89px auto 0;
    overflow: hidden;
}
.avatar div{
    font-size: 52px;
    text-align: center;
    margin-top: 36px;
}
.avatar p {
    margin-top: 10px;
    font-size: 20px;
    text-align: center;
    color: #fff;
}
.info {
    width: 442px;
    margin:46px auto 0;
    overflow: hidden;
}
.info p{
    font-size: 26px;
    font-family: "Myriad Pro";
    color: #fff;
}
.info input {
    width: 100%;
    height: 30px;
    background-color: transparent;
    border: 0;
    outline: none;
    border-bottom: 2px solid #92a8c7;
}
.info li {
    margin-bottom: 30px;
}
.password_box{
    display: flex;
}
.password_box input {
    margin-left: 10px;
    border-bottom: 0;
}
button {
    width: 442px;
    height: 76px;
    line-height: 76px;
    text-align: center;
    border: 0;
    border-radius: 40px;
    font-size: 34px;
    color: #716e9f;
    display: block;
    margin: 50px auto 30px;
}

.siginIn {
    color: #fff;
    text-align: center;
}